Title:
COLOR-CHANGEABLE ADHESIVE SHEET
Document Type and Number:
WIPO Patent Application WO/2022/054636
Kind Code:
A1
Abstract:
The adhesive sheet (S) according to the present invention is a color-changeable adhesive sheet comprising an adhesive layer (10) capable of changing colors. The adhesive layer (10) includes a coloring agent capable of producing a color via a first external stimulation, a base polymer, and a polymerizable compound, and is curable via a second external stimulation different from the first external stimulation.
Inventors:
MIZUNO DAISUKE (JP)
NAKANO TAKESHI (JP)
NAKANO TAKESHI (JP)
Application Number:
PCT/JP2021/031868
Publication Date:
March 17, 2022
Filing Date:
August 31, 2021
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
C09J7/38; C09J4/00; C09J11/06; C09J201/00
Domestic Patent References:
| WO2019065375A1 | 2019-04-04 | |||
| WO2020189390A1 | 2020-09-24 |
Foreign References:
| JP2004175978A | 2004-06-24 | |||
| JPH11140388A | 1999-05-25 | |||
| JPS62153377A | 1987-07-08 | |||
| JP2006243018A | 2006-09-14 | |||
| US20160381821A1 | 2016-12-29 |
Attorney, Agent or Firm:
OKAMOTO, Hiroyuki et al. (JP)
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